Finding the Fourth Proportional to 357,497.98, 493,353.14 and 196,367.92
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Solution
The fourth proportional to 357,497.98, 493,353.14 and 196,367.92 is: 270,990.99
Step by Step Solution
- Step 1: Write the proportion equation
357,497.98 : 493,353.14 = 196,367.92 : x - Step 2: Convert to fraction form
357,497.98/493,353.14 = 196,367.92/x - Step 3: Cross multiply
357,497.98x = 493,353.14 × 196,367.92 - Step 4: Simplify right side
357,497.98x = 96,878,729,927.27 - Step 5: Solve for x
x = 96,878,729,927.27/357,497.98 - Step 6: Final answer
x = 270,990.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.